The blades at its periphery throw off air centrifugally in a direction following the rotation.轮周叶片将空气沿着转动方向抛离轴心.The defects of alloy steel pipe centrifugally cased are drawn. Their causes and preventives are analysed.归纳出...
热变性的小麦胚乳能阻止移植在其上的胚的生长.Heat - denatured wheat endosperm prevented the growth of an embryo implanted on it.成熟胚的子叶是绿色, 黄色或浅黄色.The cotyledons of the mature embryo are either green, yellow or chalky yellow.氨基酸的消耗是同生长的胚的发育相适应的...
The other end of the road old shacks, he again fell asleep.在大路的另一头老人的窝棚里, 他又睡着了.The vast majority live in tin shacks without electricity, clean water or sanitary facilities.大多数人生活在简陋的铁皮屋子里，没有电，没有干净的水，也没有卫生设施。Mounds of oy...